Add post processing for templates

1 files changed, 28 insertions, 0 deletions

diff --git a/lib/templating/postRender.js b/lib/templating/postRender.js
new file mode 100644
index 0000000..6928e82
--- /dev/null
+++ b/lib/templating/postRender.js
@@ -0,0 +1,28 @@
+var Promise = require('../utils/promise');
+var replaceBlocks = require('./replaceBlocks');
+
+/**
+    Post render a template:
+        - Execute "post" for blocks
+        - Replace block content
+
+    @param {TemplateEngine} engine
+    @param {String} content
+    @return {Promise<String>}
+*/
+function postRender(engine, content) {
+    var result = replaceBlocks(content);
+
+    return Promise.forEach(result.blocks, function(blockType) {
+        var block = engine.getBlock();
+        var post = block.getPost();
+        if (!post) {
+            return;
+        }
+
+        return post();
+    })
+    .thenResolve(result.content);
+}
+
+module.exports = postRender;